<header class="main-header">
    <!-- Logo -->
    <a href="/" class="logo">
      <!-- mini logo for sidebar mini 50x50 pixels -->
      <span class="logo-mini"><b>A</b>UI</span>
      <!-- logo for regular state and mobile devices -->
      <span class="logo-lg"><b>Ansible</b>UI</span>
    </a>
    <!-- Header Navbar: style can be found in header.less -->
    <nav class="navbar navbar-static-top">
      <!-- Sidebar toggle button-->
      <a href="#" class="sidebar-toggle" data-toggle="offcanvas" role="button">
        <span class="sr-only">切换导航</span>
      </a>
  
      <div class="navbar-custom-menu">
        <ul class="nav navbar-nav">
          <!-- Messages: style can be found in dropdown.less-->
          <li class="dropdown messages-menu">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown">
              <i class="fa fa-envelope-o"></i>
              <span class="label label-success">4</span>
            </a>
            <ul class="dropdown-menu">
              <li class="header">You have 4 messages</li>
              <li>
                <!-- inner menu: contains the actual data -->
                <ul class="menu">
                  <li><!-- start message -->
                    <a href="#">
                      <div class="pull-left">
                        <img src="/static/adminlte/img/u.png" class="img-circle" alt="User Image">
                    </div>
                    <h4>
                      Support Team
                      <small><i class="fa fa-clock-o"></i> 5 mins</small>
                    </h4>
                    <p>Why not buy a new awesome theme?</p>
                  </a>
                </li>
                <!-- end message -->
                <li>
                  <a href="#">
                    <div class="pull-left">
                        <img src="/static/adminlte/img/u.png" class="img-circle" alt="User Image">
                    </div>
                    <h4>
                      AdminLTE Design Team
                      <small><i class="fa fa-clock-o"></i> 2 hours</small>
                    </h4>
                    <p>Why not buy a new awesome theme?</p>
                  </a>
                </li>
                <li>
                  <a href="#">
                    <div class="pull-left">
                      <img src="/static/adminlte/img/u.png" class="img-circle" alt="User Image">
                    </div>
                    <h4>
                      Developers
                      <small><i class="fa fa-clock-o"></i> Today</small>
                    </h4>
                    <p>Why not buy a new awesome theme?</p>
                  </a>
                </li>
                <li>
                  <a href="#">
                    <div class="pull-left">
                      <img src="/static/adminlte/img/u.png" class="img-circle" alt="User Image">
                    </div>
                    <h4>
                      Sales Department
                      <small><i class="fa fa-clock-o"></i> Yesterday</small>
                    </h4>
                    <p>Why not buy a new awesome theme?</p>
                  </a>
                </li>
                <li>
                  <a href="#">
                    <div class="pull-left">
                      <img src="/static/adminlte/img/user4-128x128.jpg" class="img-circle" alt="User Image">
                    </div>
                    <h4>
                      Reviewers
                      <small><i class="fa fa-clock-o"></i> 2 days</small>
                    </h4>
                    <p>Why not buy a new awesome theme?</p>
                  </a>
                </li>
            </ul>
          </li>
          <li class="footer"><a href="#">查看所有消息</a></li>
        </ul>
      </li>
      <!-- Notifications: style can be found in dropdown.less -->
      <li class="dropdown notifications-menu">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">
          <i class="fa fa-bell-o"></i>
          <span class="label label-warning">10</span>
        </a>
        <ul class="dropdown-menu">
          <li class="header">You have 10 notifications</li>
          <li>
            <!-- inner menu: contains the actual data -->
            <ul class="menu">
              <li>
                <a href="#">
                  <i class="fa fa-users text-aqua"></i> 5 new members joined today
                </a>
              </li>
              <li>
                <a href="#">
                  <i class="fa fa-warning text-yellow"></i> Very long description here that may not fit into the
                  page and may cause design problems
                </a>
              </li>
              <li>
                <a href="#">
                  <i class="fa fa-users text-red"></i> 5 new members joined
                </a>
              </li>
              <li>
                <a href="#">
                  <i class="fa fa-shopping-cart text-green"></i> 25 sales made
                </a>
              </li>
              <li>
                <a href="#">
                  <i class="fa fa-user text-red"></i> You changed your username
                </a>
              </li>
            </ul>
          </li>
          <li class="footer"><a href="#">全部</a></li>
        </ul>
      </li>
      <!-- Tasks: style can be found in dropdown.less -->
      <li class="dropdown tasks-menu">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">
          <i class="fa fa-flag-o"></i>
          <span class="label label-danger">9</span>
        </a>
        <ul class="dropdown-menu">
          <li class="header">You have 9 tasks</li>
          <li>
            <!-- inner menu: contains the actual data -->
            <ul class="menu">
              <li><!-- Task item -->
                <a href="#">
                  <h3>
                    设计按钮
                    <small class="pull-right">20%</small>
                  </h3>
                  <div class="progress xs">
                    <div class="progress-bar progress-bar-aqua" style="width: 20%" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100">
                      <span class="sr-only">20% Complete</span>
                    </div>
                  </div>
                </a>
              </li>
              <!-- end task item -->
              <li><!-- Task item -->
                <a href="#">
                  <h3>
                    Create a nice theme
                    <small class="pull-right">40%</small>
                  </h3>
                  <div class="progress xs">
                    <div class="progress-bar progress-bar-green" style="width: 40%" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100">
                      <span class="sr-only">40% Complete</span>
                    </div>
                  </div>
                </a>
              </li>
              <!-- end task item -->
              <li><!-- Task item -->
                <a href="#">
                  <h3>
                    Some task I need to do
                    <small class="pull-right">60%</small>
                  </h3>
                  <div class="progress xs">
                    <div class="progress-bar progress-bar-red" style="width: 60%" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100">
                      <span class="sr-only">60% Complete</span>
                    </div>
                  </div>
                </a>
              </li>
              <!-- end task item -->
              <li><!-- Task item -->
                <a href="#">
                  <h3>
                    Make beautiful transitions
                    <small class="pull-right">80%</small>
                  </h3>
                  <div class="progress xs">
                    <div class="progress-bar progress-bar-yellow" style="width: 80%" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100">
                      <span class="sr-only">80% Complete</span>
                    </div>
                  </div>
                </a>
              </li>
              <!-- end task item -->
            </ul>
          </li>
          <li class="footer">
            查看所有任务
          </li>
        </ul>
      </li>
      <!-- User Account: style can be found in dropdown.less -->
      {% if user.is_authenticated %}
      <li class="dropdown user user-menu">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">
            <img src="/static/adminlte/img/u.png" class="user-image" alt="User Image">
            <span class="hidden-xs">
              {{ user.first_name }}({{ user }})
      </span>
          </a>
          <ul class="dropdown-menu">
            <!-- User image -->
            <li class="user-header">
              <img src="/static/adminlte/img/u.png" class="img-circle" alt="User Image">

              <p>
                Web Developer
                <small>{% now "jS F Y H:i" %}</small>
              </p>
            </li>
            <!-- Menu Body -->
            <li class="user-body">
              <div class="row">
                <div class="col-xs-4 text-center">
                  <a href="{% url 'hostsList' %}">主机</a>
                </div>
                <div class="col-xs-4 text-center">
                  <a href="{% url 'GroupsList' %}">项目</a>
                </div>
                <div class="col-xs-4 text-center">
                  <a href="{% url 'AnsibleTaskList' %}">任务</a>
                </div>
            </div>
            <!-- /.row -->
          </li>
          <!-- Menu Footer-->
          <li class="user-footer">
            <div class="pull-left">
              <a href="#" class="btn btn-default btn-flat">设置</a>
            </div>
            <div class="pull-right">
              <a href="/account/logout" class="btn btn-default btn-flat">退出</a>
            </div>
          </li>
        </ul>
      </li>
      {% else %}
      <li>
          <a href="/account/login">登录</a>
      </li>
  {% endif %}
      <!-- Control Sidebar Toggle Button -->
      <li>
        <a href="#" data-toggle="control-sidebar"><i class="fa fa-gears"></i></a>
      </li>
    </ul>
   </div>
  </nav>
</header>